very urgent frnds plz answer these 2 questions.... plzzzzz
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I hope the answer is 2bcube
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(a + b)(a^2 - ab + b^2) = a^3 - b ^3
(a - b)(a^2 + ab + b^2) = a^3 + b^3
therefore
a^3 + b^3 - ( a^3 - b^3)
a^3 + b^3 - a^3 + b^3
2b^3
(a - b)(a^2 + ab + b^2) = a^3 + b^3
therefore
a^3 + b^3 - ( a^3 - b^3)
a^3 + b^3 - a^3 + b^3
2b^3
Lightbearer:
thank you @tishaa421
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